<template>
    <div class="screen-container" :style="containerStyle">
        <header class="screen-header">
            <div>
                <img :src="headerSrc" alt="" />
            </div>
            <span class="logo">
                <img :src="logoSrc" alt="" />
            </span>
            <span class="title">电商平台实时监控系统</span>
            <div class="title-right">
                <img
                    :src="themeSrc"
                    class="qiehuan"
                    @click="handelChangeTheme"
                />
                <span class="datetime">2049-01-01 00:00:00</span>
            </div>
        </header>
        <div class="screen-body">
            <section class="screen-left">
                <div
                    id="left-top"
                    :class="[fullScreenStatus.trend ? 'fullscreen' : '']"
                >
                    <!-- 销量趋势图表 -->
                    <Trend ref="trend"></Trend>
                    <div class="resize">
                        <span
                            @click="changeSize('trend')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.trend
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
                <div
                    id="left-bottom"
                    :class="[fullScreenStatus.seller ? 'fullscreen' : '']"
                >
                    <!-- 商家销售金额图表 -->
                    <Seller ref="seller"></Seller>
                    <div class="resize">
                        <span
                            @click="changeSize('seller')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.seller
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
            </section>
            <section class="screen-middle">
                <div
                    id="middle-top"
                    :class="[fullScreenStatus.map ? 'fullscreen' : '']"
                >
                    <!-- 商家分布图表 -->
                    <Map ref="map"></Map>
                    <div class="resize">
                        <span
                            @click="changeSize('map')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.map
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
                <div
                    id="middle-bottom"
                    :class="[fullScreenStatus.rank ? 'fullscreen' : '']"
                >
                    <!-- 地区销量排行图表 -->
                    <Rank ref="rank"></Rank>
                    <div class="resize">
                        <span
                            @click="changeSize('rank')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.rank
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
            </section>
            <section class="screen-right">
                <div
                    id="right-top"
                    :class="[fullScreenStatus.hot ? 'fullscreen' : '']"
                >
                    <!-- 热销商品占比图表 -->
                    <Hot id="hot" ref="hot"></Hot>
                    <div class="resize">
                        <span
                            @click="changeSize('hot')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.hot
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
                <div
                    id="right-bottom"
                    :class="[fullScreenStatus.stock ? 'fullscreen' : '']"
                >
                    <!-- 库存销量分析图表 -->
                    <Stock ref="stock"></Stock>
                    <div class="resize">
                        <span
                            @click="changeSize('stock')"
                            :class="[
                                'iconfont',
                                fullScreenStatus.stock
                                    ? 'icon-compress-alt'
                                    : 'icon-expand-alt',
                            ]"
                        ></span>
                    </div>
                </div>
            </section>
        </div>
    </div>
</template>

<script>
import SocketService from "@/utils/socket_service";
import { reactive, ref, nextTick, inject, onUnmounted, computed } from "vue";
import { useStore } from "vuex";
import Trend from "@/components/Trend.vue";
import Seller from "@/components/Seller.vue";
import Map from "@/components/Map.vue";
import Rank from "@/components/Rank.vue";
import Hot from "@/components/Hot.vue";
import Stock from "@/components/Stock.vue";
import { getThemeValue } from "@/utils/theme_utils";

export default {
    name: "Screen",
    components: { Trend, Seller, Map, Rank, Hot, Stock },
    setup() {
        const theme = computed(() => {
            return useStore().state.theme;
        });
        const logoSrc = computed(() => {
            return "/static/img/" + getThemeValue(theme.value).logoSrc;
        });
        const headerSrc = computed(() => {
            return "/static/img/" + getThemeValue(theme.value).headerBorderSrc;
        });
        const themeSrc = computed(() => {
            return "/static/img/" + getThemeValue(theme.value).themeSrc;
        });
        const containerStyle = computed(() => {
            return {
                backgroundColor: getThemeValue(theme.value).backgroundColor,
                color: getThemeValue(theme.value).titleColor,
            };
        });
        //接受到全屏数据
        const recvData = (data) => {
            //取出图表
            const chartName = data.chartName;
            //取出状态
            const targetValue = data.value;
            fullScreenStatus[chartName] = targetValue;
            nextTick(() => {
                mapRefs[chartName].value.screenAdapt();
            });
        };
        //socket
        SocketService.Instance.registerCallBack("fullScreen", recvData);
        onUnmounted(() => {
            SocketService.Instance.unRegisterCallBack("fullScreen");
        });
        //定义图表全屏数据
        const fullScreenStatus = reactive({
            trend: false,
            seller: false,
            map: false,
            rank: false,
            hot: false,
            stock: false,
        });
        const trend = ref(null);
        const seller = ref(null);
        const hot = ref(null);
        const map = ref(null);
        const rank = ref(null);
        const stock = ref(null);
        const mapRefs = {
            trend,
            seller,
            hot,
            map,
            rank,
            stock,
        };
        const changeSize = (chartName) => {
            // console.log(chartName);
            // fullScreenStatus[chartName] = !fullScreenStatus[chartName];
            // nextTick(() => {
            //     mapRefs[chartName].value.screenAdapt();
            // });
            const targetValue = !fullScreenStatus[chartName];
            SocketService.Instance.send({
                action: "fullScreen",
                socketType: "fullScreen",
                chartName: chartName,
                value: targetValue,
            });
        };

        // vuex
        const store = useStore();

        //修改主题
        const recvThemeChage = () => {
            store.commit("changeTheme");
        };
        SocketService.Instance.registerCallBack("themeChange", recvThemeChage);
        onUnmounted(() => {
            SocketService.Instance.unRegisterCallBack("themeChange");
        });
        const handelChangeTheme = () => {
            // store.commit("changeTheme");
            SocketService.Instance.send({
                action: "themeChange",
                socketType: "themeChange",
                chartName: "",
                value: "",
            });
        };

        return {
            fullScreenStatus,
            changeSize,
            trend,
            seller,
            hot,
            map,
            rank,
            stock,
            store,
            handelChangeTheme,
            logoSrc,
            headerSrc,
            themeSrc,
            containerStyle,
        };
    },
};
</script>
<style lang="scss" scoped>
// 全屏样式的定义
.fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    z-index: 100;
}

.screen-container {
    width: 100%;
    height: 100%;
    padding: 0 20px;
    background-color: #161522;
    color: #fff;
    box-sizing: border-box;
}
.screen-header {
    width: 100%;
    height: 64px;
    font-size: 20px;
    position: relative;
    > div {
        img {
            width: 100%;
        }
    }
    .title {
        position: absolute;
        left: 50%;
        top: 50%;
        font-size: 20px;
        transform: translate(-50%, -50%);
    }
    .title-right {
        display: flex;
        align-items: center;
        position: absolute;
        right: 0px;
        top: 50%;
        transform: translateY(-80%);
    }
    .qiehuan {
        width: 28px;
        height: 21px;
        cursor: pointer;
    }
    .datetime {
        font-size: 15px;
        margin-left: 10px;
    }
    .logo {
        position: absolute;
        left: 0px;
        top: 50%;
        transform: translateY(-80%);
        img {
            height: 35px;
            width: 128px;
        }
    }
}
.screen-body {
    width: 100%;
    height: 100%;
    display: flex;
    margin-top: 10px;
    .screen-left {
        height: 100%;
        width: 27.6%;
        #left-top {
            height: 53%;
            position: relative;
        }
        #left-bottom {
            height: 31%;
            margin-top: 25px;
            position: relative;
        }
    }
    .screen-middle {
        height: 100%;
        width: 41.5%;
        margin-left: 1.6%;
        margin-right: 1.6%;
        #middle-top {
            width: 100%;
            height: 56%;
            position: relative;
        }
        #middle-bottom {
            margin-top: 25px;
            width: 100%;
            height: 28%;
            position: relative;
        }
    }
    .screen-right {
        height: 100%;
        width: 27.6%;
        #right-top {
            height: 46%;
            position: relative;
        }
        #right-bottom {
            height: 38%;
            margin-top: 25px;
            position: relative;
        }
    }
}
.resize {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
}
</style>
